Stop cracking NERO use InfraRecorder instead :)

Free and open source alternatives to commercial software do exist. Today's example is InfraRecorder a 9Mb yet complete software that has all the functionalities you need to burn both CDs and DVDs

• Create custom data, audio and mixed-mode projects and record them to physical discs as well as disc images.
• Supports recording to dual-layer DVDs.
  
• Blank (erase) rewritable discs using four different methods.
• Record disc images (ISO and BIN/CUE).
  
• Fixate discs (write lead-out information to prevent further data from being added to the disc).
• Scan the SCSI/IDE bus for devices and collect information about their capabilities.
  
• Create disc copies, on the fly and using a temporary disc image.
• Import session data from multi-session discs and add more sessions to them.
• Display disc information.
• Save audio and data tracks to files (.wav, .wma, .ogg, .mp3 and .iso).

Please visit http://infrarecorder.sourceforge.net/ for more info